0.3n-0.15=0.4-0.2n

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Solution for 0.3n-0.15=0.4-0.2n equation: 



0.3n-0.15=0.4-0.2n

We move all terms to the left:

0.3n-0.15-(0.4-0.2n)=0

We add all the numbers together, and all the variables

0.3n-(-0.2n+0.4)-0.15=0

We get rid of parentheses

0.3n+0.2n-0.4-0.15=0

We add all the numbers together, and all the variables

0.5n-0.55=0

We move all terms containing n to the left, all other terms to the right

0.5n=0.55

n=0.55/0.5

n=1+0.05/0.5

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